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| Presentation | 2010-12-09 15:30 A Study of Read/Write Channel Modeling for Two-Dimensional Magnetic Recording Masato Yamashita, Hisashi Osawa, Yoshihiro Okamoto, Yasuaki Nakamura (Ehime Univ.), Yoshio Suzuki (Nihon Univ.), Kenji Miura, Hiroaki Muraoka (Tohoku Univ.)  MR2010-46 Link to ES Tech. Rep. Archives: MR2010-46 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Read/write channel modeling using a discrete Voronoi diagram is studied for two-dimensional magnetic recording. The simple closed-form representation of reader sensitivity function with fitting parameters given by linear combinations of geometry parameters of head and medium is proposed for modeling the reading process. These fitting parameters are optimized by using a real-coded genetic algorithm. It is clarified that the closed-form representation using a hyperbolic tangent function provides a good approximation to an accurate sensitivity function based on a two-dimensional finite element method and a surfacing modification. Furthermore, the signal-to-noise ratio is also calculated by using a readback waveform obtained from the constructed read/write channel model under a shingled magnetic recording spec of $4\:\rm{Tb/in^{2}}$. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | TDMR / SMR / discrete Voronoi diagram / closed-form representation of sensitivity function / real-coded genetic algorithm / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 110, Dec. 2010. | |
| Paper # | ||
| Date of Issue | 2010-12-02 (MR) | |
| ISSN | Print edition: ISSN 0913-5685 Online edition: ISSN 2432-6380 | |
| Copyright and reproduction |
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034) | |
| Download PDF | MR2010-46 Link to ES Tech. Rep. Archives: MR2010-46 |
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| Conference Information | |
| Committee | ITE-MMS MRIS |
| Conference Date | 2010-12-09 - 2010-12-10 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Ehime Univ. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | MRIS |
| Conference Code | 2010-12-MMS-MR |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A Study of Read/Write Channel Modeling for Two-Dimensional Magnetic Recording |
| Sub Title (in English) | |
| Keyword(1) | TDMR |
| Keyword(2) | SMR |
| Keyword(3) | discrete Voronoi diagram |
| Keyword(4) | closed-form representation of sensitivity function |
| Keyword(5) | real-coded genetic algorithm |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Masato Yamashita |
| 1st Author's Affiliation | Ehime University (Ehime Univ.) |
| 2nd Author's Name | Hisashi Osawa |
| 2nd Author's Affiliation | Ehime University (Ehime Univ.) |
| 3rd Author's Name | Yoshihiro Okamoto |
| 3rd Author's Affiliation | Ehime University (Ehime Univ.) |
| 4th Author's Name | Yasuaki Nakamura |
| 4th Author's Affiliation | Ehime University (Ehime Univ.) |
| 5th Author's Name | Yoshio Suzuki |
| 5th Author's Affiliation | Nihon University (Nihon Univ.) |
| 6th Author's Name | Kenji Miura |
| 6th Author's Affiliation | Tohoku University (Tohoku Univ.) |
| 7th Author's Name | Hiroaki Muraoka |
| 7th Author's Affiliation | Tohoku University (Tohoku Univ.) |
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| Speaker | Author-1 |
| Date Time | 2010-12-09 15:30:00 |
| Presentation Time | 30 minutes |
| Registration for | MRIS |
| Paper # | MR2010-46 |
| Volume (vol) | vol.110 |
| Number (no) | no.329 |
| Page | pp.31-38 |
| #Pages | 8 |
| Date of Issue | 2010-12-02 (MR) |
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